Montserrat Domínguez earned a degree in Journalism from Universidad Complutense in Madrid and a Masters in Journalism from Columbia University in New York City, where she lived in 1989-90. She began her career at Spanish news agency EFE and worked at the networks Canal +, Tele 5 and Antena 3, where she hosted and directed various news broadcasts and special news coverage. She was the anchor of the talk shows "La Mirada Crítica" and "Ruedo Ibérico". In 2008, Montserrat became the host of the radio show "A vivir que son dos días", the leading weekend broadcast at Cadena SER. She has been a regular political columnist for La Vanguardia and in 2012, she joined El Huffington Post as editor at large.